Troubleshooting Tips

Diagnosing problems.

Print quality and service configuration plots: You can use

 

these plots to help diagnose problems. (See ' pages 8;46 and 8;51).

 

 

Firmware;code

Print a setup sheet or a service configuration plot to check the

revision level.

firmware;code revision level that the plotter is using. The plotter

 

may be using in;built firmware, or firmware from a flash ROM

 

SIMM. (Which firmware? ' page 8;3).

 

 

Repair and calibrate.

After you have made a repair, consider whether any calibrations

 

have been affected.

 

 

Cartridges fail

Remove tape and align cartridges: One frequent cause of

frequently.

cartridge problems is that the user has forgotten to remove the tape

 

from new cartridges. Remove the tape.

 

Priming cartridges to clear nozzles ' User's Guide.

 

Primer tubes: When you prime cartridges, and there seems to be

 

no result, ensure that the primer tubes are not clogged up with ink.

 

Damaged encoder strip: Another frequent cause of apparent

 

cartridge failure may be a damaged encoder strip. If the small slots

 

on the strip are damaged, the plotter cannot position the carriage

 

correctly during cartridge checking. Try replacing the encoder

 

strip.

 

Faulty cartridge: Some black cartridges (51640A) with USE

 

BEFORE dates of April '96 and earlier may have thin;film damage.

 

This means that the material used for channeling ink behind the

 

nozzles can crack with aging. When this happens, ink seepage may

 

cause many nozzles to fail (eight or more). Replace the black

 

cartridge with one with USE BEFORE date of May '96 or later.

 

Dirty pads: The connection between the carriage PCA and the

 

cartridge flex connector is made by means of a gold bubble on the

 

flex connector that touches a gold pad on the PCA. The Carriage

 

Test includes a test of this connection. When nozzle failures occur,

 

try cleaning the pads with isopropilic alcohol (warnings ' page 6;2).

 

Worn wipers: If the wipers in the service station are worn down,

 

they do not properly wipe the cartridge heads. Easy to replace.

 

 

Carriage sensor does

Ink on roller: Excessive ink deposits on the drive;roller surface

not correctly find

can fool the sensor by reflecting the light. (Cleaning roller '

media edge.

chapter 4.)

 

Optical sensor incorrectly calibrated: The accuracy calibration

 

includes calibration of the optical sensor on the carriage. You must

 

use polyester film when performing the accuracy calibration.

 

Otherwise the optical sensor will have problems loading some types

 

of media.

 

 

8;30 Troubleshooting

C4699;90000